JPS6331114Y2 - - Google Patents

Description

[Detailed explanation of the invention] [Industrial application field] This invention relates to electronic keyboard instruments, and more specifically, changes the shape of the entire instrument according to the playing posture, improving playability and appearance, especially when played standing up. The present invention relates to a small electronic keyboard instrument.

[Conventional technology]

This type of small electronic keyboard instrument, whose musical sound generator is controlled by key operations and generates electronic sounds, is not only used for performance by being placed on a base at concerts, but also by being placed on the shoulder, etc. It is played over the music. For this reason, conventional small electronic keyboard instruments have generally been constructed as shown in FIG.
That is, 1 is a musical instrument body formed in the shape of a shallow long box, and a keyboard 2 consisting of a plurality of white keys 2A and black keys 2B is located on one long side edge (front edge) of the surface of the musical instrument body. 1 are arranged in parallel in the longitudinal direction like a general piano keyboard, and a musical tone generating section (not shown) that generates musical tones in response to the depression of each key 2A, 2B is housed inside. Furthermore, on the left end of the surface of the musical instrument body 1, a plurality of operators 3 such as volume adjustment, modulation, pitch vent, portamento, etc., which control various electronic sounds generated by the musical tone generating section, are arranged in two rows, front and back. . The small electronic keyboard instrument having such a configuration is connected to a speaker (not shown) and is placed on a suitable base or played by being hung on the shoulder like an electric guitar by the band 4. used.

[Problem that the invention attempts to solve]

However, with such conventional small electronic keyboard instruments, the shape of the instrument body 1 does not matter when played on a tabletop, but when played in a standing style,
Since the long box-shaped instrument body 1 is exposed to the audience, it does not look like playing an instrument compared to playing an electric guitar, and it is extremely unsightly, and the various controls 3 are arranged in a manner convenient for tabletop playing. This has the disadvantage that it is extremely difficult to play when standing. In this case, it is conceivable to arrange the operators 3 so as to be suitable for standing performance, but in that case, a problem arises in playability during tabletop performance.

Therefore, the object of this invention is to solve the above-mentioned problems and provide an electronic keyboard instrument that has a simple structure and improves appearance and playability when played standing up.

[Means to resolve the problem]

In order to achieve the above object, this invention includes a main body of a musical instrument in which a plurality of keys are arranged in parallel and a musical tone generating part that generates musical tones in response to key presses of these keys is housed, A tabletop operation section having a plurality of operators for variously controlling musical tones generated by the section, and having a shape suitable for at least tabletop operation, and a standup operation section having at least a shape suitable for standing performance operation. The tabletop operating section and the standing performance operating section are selectively connected to the musical instrument main body.

[Effect]

In this invention, a standing performance operating section having a shape suitable for standing performance operation is connected to the main body of the musical instrument.

〔Example〕

This invention will be described in detail below based on embodiments shown in the drawings.

Fig. 2 is a plan view of an embodiment of the electronic keyboard instrument according to this invention during tabletop performance, Fig. 3 is a perspective view of the main parts of the instrument body as seen from the bottom side, and Fig. 4 is a tabletop operation section. The perspective view and FIG. 5 are plan views during standing performance. In these figures, the electronic keyboard instrument 10 is
It consists of a musical instrument main body 11, and a tabletop operating section 12 and a standing performance operating section 13 that are selectively connected to the musical instrument main body 11.

The musical instrument main body 11 has a case 14 shaped like a shallow long box.
A keyboard 2 consisting of a plurality of white keys 2A and black keys 2B is arranged in parallel on the front edge of the surface of the case 14 (on the player's side). A musical tone generator (not shown) is provided to generate musical tones in response to the musical tone. The side plate 1 constituting the left side surface of the case 14 is located somewhat inside the left end surface of the case 14, thereby forming an operation part fitting recess 16. Further, the side plate 15 is provided with a male connector 17 and a pair of front and rear screws 18A, 18B. The male connector 17 is connected to an electric circuit including various envelope generators for a musical tone generator, a filter, etc. disposed within the musical instrument body 11. On the other hand, the pair of screws 18A and 18B are rotated from inside the case by inserting a hand into operation holes 20A and 20B provided on the bottom of the case 14, and their tips penetrate the side plate 15. and protrudes into the operation section fitting recess 16. In this case, cylindrical elastic bodies 21 such as rubber are fitted and fixed in the screw mounting holes provided in the side plate 15 and into which the screws 18A and 18B are inserted, and the tips of the elastic bodies 21 are fixed to the side plate 15. protrudes somewhat from the surface of
Note that a band locking metal fitting 22 is attached to the right side of the musical instrument main body 11 near the front end.

The tabletop operation section 12 is formed into a shallow box shape having the same height and depth as the musical instrument main body 11,
On its surface, there are a plurality of operators 25 for variously controlling the electronic sounds generated by the musical sound generating section.
are arranged in two rows, front and rear, convenient for tabletop performance. Further, on the right side of the tabletop operation section 12, a fitting convex portion 2 that fits into the operation section fitting recess 16 is provided.
A female connector 27 is provided on the surface of the convex portion 26 in correspondence with the male connector 17, and a pair of screw holes 28A, 28B are provided in correspondence with the pair of screws 18A, 18B. is formed.

The operating section 13 for standing performance is the operating section 12 for tabletop operation.
Since it has exactly the same function as the operating section 12, it has the same operator 25 as the operating section 12, but the external shape and the arrangement position of the operating section 25 are slightly different from those of the desk operating section 12. That is, the standing performance operating section 13 is formed in a shape similar to the neck section of an electric guitar, so that it has an approximately L-shape in which the left half is elongated and the depth gradually increases in a curved manner toward the right end. The front surface 30a and the right side surface 30b intersect at a right angle. Further, the right side surface 30b has a length and height (depth of the operating section 13 for standing performance) equal to the depth and height of the musical instrument main body 11, respectively, and is shorter than the length of the front surface 30a. There is. The operators 25 arranged on the upper surface of the operating section 13 for standing performance are arranged in parallel in the longitudinal direction of the operating section 13, and a band locking fitting 31 is attached near the right end of the front surface 30a. . The right side surface 30b has a fitting protrusion 33 that fits into the operation part fitting recess 16 of the musical instrument main body 11, similar to the tabletop operation part 12, and the surface of the fitting protrusion 33 has a A female connector (not shown) is disposed corresponding to the male connector 17, and a pair of screw holes (not shown) are formed corresponding to the pair of screws 18A and 18B. In other words, the tabletop operation section 12 is formed in a shape suitable for tabletop operation, and the standing performance operation section 13 is formed in a shape suitable for standing performance operation.
It is selectively connected to the musical instrument main body 11 depending on the performance mode.

In the electronic keyboard instrument 10 having such a configuration, during normal performance, the instrument main body 11 and the tabletop operation section 12 are integrally connected as shown in FIG. 2 and placed on a base. For this connection, the female connector 27 is matched with the male connector 17, and the fitting protrusion 26 of the tabletop operation section 12 is connected to the instrument body 11.
When the connectors 17 and 27 are fitted into the operation part fitting recess 16 of the instrument body 11, the connectors 17 and 27 are also integrally connected, and then the hands are sequentially inserted into the operation recesses 20A and 20B of the instrument body 11 and the screws 18A and 18B are inserted into the screw holes. 28A,
This is done by screwing into 28B. At this time,
The elastic body 21 attached to the side plate 15 of the musical instrument main body 11 is in close contact with the periphery of the screw holes 28A and 28B provided in the fitting convex portion 26 of the tabletop operation section 12.

On the other hand, when playing the electronic keyboard instrument 10 in a standing style, the operating section 13 for standing performance is integrally connected to the instrument body 11 as shown in FIG. They are respectively locked by band locking fittings 22 and 31. The connection at this time is also performed in exactly the same way as the connection between the musical instrument main body 11 and the tabletop operation section 12 described above.

In this way, this invention selectively uses the tabletop operating section 12 and the standing operating section 13 depending on the playing style, and especially in the standing playing style, the shape of the standing operating section 13 approximates that of an electric guitar. This makes the instrument look good, and since the operators 25 of the operating section 13 are arranged in parallel so as to be suitable for standing performance, performance is also good.

FIG. 6 is a perspective view of a musical instrument body and a tabletop operating section showing another embodiment of this invention. This embodiment uses two clamp devices 40 consisting of a latch 40A and a catch hinge 40B instead of a pair of screws to connect the instrument body 11 and tabletop operation section 12 (the same applies to the stand-up operation section).
The only difference from the above embodiment is that they are integrally connected, and everything else is the same. According to such a configuration, compared to screws, the connection between the musical instrument body 11 and the tabletop operation section 12, the musical instrument body 11 and the tabletop operation section 12, and the instrument body 11 and the standing performance operation section can be performed with one touch, and the connection work is simplified. It is obvious that this is easy.

Note that the screws 18A, 18 are used as connection means.
B and the clamp device 40, but any suitable locking device may be used.

[Effect of idea]

As explained above, the electronic keyboard instrument according to this invention is configured so that the tabletop operation section and the standing operation section are selectively connected to the main body of the instrument depending on the playing style. To improve playability by making the instrument itself look good in a standing performance style. In addition, it has a simple structure and is easy to handle, which has great practical effects.

[Brief explanation of the drawing]

Fig. 1 is a plan view showing an example of a conventional electronic keyboard instrument, Fig. 2 is a plan view showing an embodiment of the electronic keyboard instrument according to this invention during tabletop performance, and Fig. 3 shows the main body of the instrument from the bottom side. Fig. 4 is a perspective view of the tabletop operation section, Fig. 5 is a plan view during standing performance,
FIG. 6 is a perspective view showing another embodiment of this invention. 2A...white keys, 2B...black keys, 10...electronic keyboard instrument, 11...musical instrument body, 12...desktop operation unit, 13
...Operation unit for standing performance, 25...Operator.

Claims (1)

[Scope of utility model registration request] A musical instrument body in which a plurality of keys are arranged in parallel and a musical tone generating section that generates musical tones in response to key press operations of these keys is housed, and various controls for the musical tones generated by the musical tone generating sections, respectively. a tabletop operation part having a shape suitable for at least tabletop operation and a standing performance operation part having at least a shape suitable for standing performance operation,
The electronic keyboard instrument is characterized in that the tabletop operating section and the standing performance operating section are selectively connected to the musical instrument main body.